<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>京东搜索框</title>
<style>
  body {
    font-family: Arial, sans-serif;
  }
  .search-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 50px;
  }
  .search-box {
    display: flex;
    border: 1px solid #ccc;
    border-radius: 4px;
    overflow: hidden;
  }
  .search-input {
    padding: 8px;
    border: none;
    outline: none;
    flex: 1;
  }
  .search-button {
    background-color: #e2231a;
    color: white;
    border: none;
    padding: 8px 16px;
    cursor: pointer;
  }
  .search-button:hover {
    background-color: #c41d16;
  }
</style>
</head>
<body>

<div class="search-container">
  <div class="search-box">
    <input type="text" class="search-input" placeholder="搜索 京东商品">
    <button class="search-button">搜索</button>
  </div>
</div>

</body>
</html>